From patchwork Mon Aug 19 14:23:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 11101161 X-Patchwork-Delegate: paulburton@kernel.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 11DED14DE for ; Mon, 19 Aug 2019 14:23:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 02340287D1 for ; Mon, 19 Aug 2019 14:23:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 008A928896; Mon, 19 Aug 2019 14:23:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A33D9287D1 for ; Mon, 19 Aug 2019 14:23:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726261AbfHSOXn (ORCPT ); Mon, 19 Aug 2019 10:23:43 -0400 Received: from forward101p.mail.yandex.net ([77.88.28.101]:46629 "EHLO forward101p.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726186AbfHSOXn (ORCPT ); Mon, 19 Aug 2019 10:23:43 -0400 Received: from mxback5j.mail.yandex.net (mxback5j.mail.yandex.net [IPv6:2a02:6b8:0:1619::10e]) by forward101p.mail.yandex.net (Yandex) with ESMTP id 448AD32809E8; Mon, 19 Aug 2019 17:23:40 +0300 (MSK) Received: from smtp1o.mail.yandex.net (smtp1o.mail.yandex.net [2a02:6b8:0:1a2d::25]) by mxback5j.mail.yandex.net (nwsmtp/Yandex) with ESMTP id CcHIGbgGp3-NdW4qAW5; Mon, 19 Aug 2019 17:23:40 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; s=mail; t=1566224620; bh=i0cArw39SoozqeUTFkOMEgh3xStudm1HrP+CTJSLLxE=; h=In-Reply-To:Subject:To:From:Cc:References:Date:Message-Id; b=PwlsF8lCSdhe0pUiNEzSMFJ/oSXCyywJl+txjdBQNZJSQIvDggLW3XYrL+v2oRLth YmkPuHqercLXxb8jU0XV6gSt2dtXYd8k/wevJBFgVBY71e8mo7J7qMjKFsKapSNdor zje9wkh+N9wCnWG7HCuL1I+35mIg7t+4mACUyrKg= Authentication-Results: mxback5j.mail.yandex.net; dkim=pass header.i=@flygoat.com Received: by smtp1o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id StE3L42zOl-NZUmnXfI; Mon, 19 Aug 2019 17:23:38 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: paul.burton@mips.com, yasha.che3@gmail.com, aurelien@aurel32.net, sfr@canb.auug.org.au, fancer.lancer@gmail.com, matt.redfearn@mips.com, chenhc@lemote.com, Jiaxun Yang Subject: [PATCH v1 2/8] MIPS: fw: Record prom memory Date: Mon, 19 Aug 2019 22:23:07 +0800 Message-Id: <20190819142313.3535-3-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190819142313.3535-1-jiaxun.yang@flygoat.com> References: <20190819142313.3535-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP boot_mem_map is nolonger exist so we need to maintain a list of prom memory by ourselves. Signed-off-by: Jiaxun Yang --- arch/mips/fw/arc/memory.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index 429b7f8d2aeb..09c69a23f908 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -27,6 +27,11 @@ #undef DEBUG +#define MAX_PROM_MEM 5 +static phys_addr_t prom_mem_base[MAX_PROM_MEM] __initdata; +static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata; +static unsigned int nr_prom_mem __initdata; + /* * For ARC firmware memory functions the unit of meassuring memory is always * a 4k page of memory @@ -129,6 +134,7 @@ void __init prom_meminit(void) } #endif + nr_prom_mem = 0; p = PROM_NULL_MDESC; while ((p = ArcGetMemoryDescriptor(p))) { unsigned long base, size; @@ -139,6 +145,16 @@ void __init prom_meminit(void) type = prom_memtype_classify(p->type); add_memory_region(base, size, type); + + if (type == BOOT_MEM_ROM_DATA) { + if (nr_prom_mem >= 5) { + pr_err("Too many ROM DATA regions"); + continue; + } + prom_mem_base[nr_prom_mem] = base; + prom_mem_size[nr_prom_mem] = size; + nr_prom_mem++; + } } } @@ -150,12 +166,8 @@ void __init prom_free_prom_memory(void) if (prom_flags & PROM_FLAG_DONT_FREE_TEMP) return; - for (i = 0; i < boot_mem_map.nr_map; i++) { - if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) - continue; - - addr = boot_mem_map.map[i].addr; + for (i = 0; i < nr_prom_mem; i++) { free_init_pages("prom memory", - addr, addr + boot_mem_map.map[i].size); + prom_mem_base[i], prom_mem_base[i] + prom_mem_size[i]); } }